<!doctype html>
<html lang="zh" data-hairline="true" data-theme="light">

<head>
    <meta charSet="utf-8" />
    <title data-react-helmet="true">知乎 - 有问题，就会有答案</title>
    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1" />
    <meta name="renderer" content="webkit" />
    <meta name="force-rendering" content="webkit" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <meta name="google-site-verification" content="FTeR0c8arOPKh8c5DYh_9uu98_zJbaWw53J-Sch9MTg" />
    <meta name="description" property="og:description"
        content="知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好地分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视、时尚、文化等领域最具创造力的人群，已成为综合性、全品类、在诸多领域具有关键影响力的知识分享社区和创作者聚集的原创内容平台，建立起了以社区驱动的内容变现商业模式。" />
    <link data-react-helmet="true" rel="apple-touch-icon"
        href="https://static.zhihu.com/heifetz/assets/apple-touch-icon-152.a53ae37b.png" />
    <link data-react-helmet="true" rel="apple-touch-icon"
        href="https://static.zhihu.com/heifetz/assets/apple-touch-icon-152.a53ae37b.png" sizes="152x152" />
    <link data-react-helmet="true" rel="apple-touch-icon"
        href="https://static.zhihu.com/heifetz/assets/apple-touch-icon-120.bbce8f18.png" sizes="120x120" />
    <link data-react-helmet="true" rel="apple-touch-icon"
        href="https://static.zhihu.com/heifetz/assets/apple-touch-icon-76.cbade8f9.png" sizes="76x76" />
    <link data-react-helmet="true" rel="apple-touch-icon"
        href="https://static.zhihu.com/heifetz/assets/apple-touch-icon-60.8f6c52aa.png" sizes="60x60" />
    <link crossorigin="" rel="shortcut icon" type="image/x-icon" href="https://static.zhihu.com/heifetz/favicon.ico" />
    <link crossorigin="" rel="search" type="application/opensearchdescription+xml"
        href="https://static.zhihu.com/heifetz/search.xml" title="知乎" />
    <link rel="dns-prefetch" href="//static.zhimg.com" />
    <link rel="dns-prefetch" href="//pic1.zhimg.com" />
    <link rel="dns-prefetch" href="//pic2.zhimg.com" />
    <link rel="dns-prefetch" href="//pic3.zhimg.com" />
    <link rel="dns-prefetch" href="//pic4.zhimg.com" />
    <style>
        .u-safeAreaInset-top {
            height: constant(safe-area-inset-top) !important;
            height: env(safe-area-inset-top) !important;

        }

        .u-safeAreaInset-bottom {
            height: constant(safe-area-inset-bottom) !important;
            height: env(safe-area-inset-bottom) !important;

        }
    </style>
    <link href="https://static.zhihu.com/heifetz/main.app.216a26f4.30f24545ea7007f4f354.css" crossorigin=""
        rel="stylesheet" />
    <link crossorigin="" href="https://static.zhihu.com/heifetz/main.sign-page.216a26f4.6234a1f8a2f37aa929f0.css"
        rel="stylesheet" />
    <script defer="" crossorigin="anonymous" src="https://unpkg.zhimg.com/@cfe/sentry-script@1.3.0/dist/init.js"
        data-sentry-config="{&quot;dsn&quot;:&quot;https://2d8d764432cc4f6fb3bc78ab9528299d@crash2.zhihu.com/1224&quot;,&quot;sampleRate&quot;:0.1,&quot;release&quot;:&quot;2489-c3967abb&quot;,&quot;ignoreErrorNames&quot;:[&quot;NetworkError&quot;,&quot;SecurityError&quot;],&quot;ignoreErrorsPreset&quot;:&quot;ReactApp&quot;}"></script>
</head>

<body>
    <div id="root">
        <div>
            <div class="LoadingBar"></div>
            <main role="main" class="App-main">
                <div class="SignFlowHomepage">
                    <div class="SignFlowHomepage-content"><img class="SignFlowHomepage-logo"
                            src="https://pic2.zhimg.com/80/v2-f6b1f64a098b891b4ea1e3104b5b71f6_720w.png" />
                        <style data-emotion-css="i6bazn">
                            .css-i6bazn {
                                overflow: hidden;
                            }
                        </style>
                        <style data-emotion-css="zvnmar">
                            .css-zvnmar {
                                box-sizing: border-box;
                                margin: 0;
                                min-width: 0;
                                padding: 0;
                                background-color: #FFFFFF;
                                box-shadow: 0 1px 3px rgba(18, 18, 18, 0.1);
                                border-radius: 2px;
                                background-color: #FFFFFF;
                                width: 400px;
                                overflow: hidden;
                            }

                            .css-zvnmar+.css-zvnmar {
                                margin-top: 10px;
                            }
                        </style>
                        <div class="css-zvnmar">
                            <div class="SignContainer-content">
                                <div class="SignContainer-inner">
                                    <form novalidate="" class="SignFlow Login-content">
                                        <div class="SignFlow-tabs">
                                            <div class="SignFlow-tab SignFlow-tab--active">免密码登录</div>
                                            <div class="SignFlow-tab">密码登录</div>
                                            <div class="SignFlow-qrcodeTab"><svg width="52" height="52"
                                                    xmlns:xlink="http://www.w3.org/1999/xlink" fill="none">
                                                    <mask id="id-3757926926-a" width="52" height="52" x="0" y="0"
                                                        maskUnits="userSpaceOnUse">
                                                        <path fill="#fff" d="M0 0l52 52V0H0z"></path>
                                                    </mask>
                                                    <g mask="url(#id-3757926926-a)">
                                                        <path fill="#06F" d="M0 0h48a4 4 0 014 4v48L0 0z"></path>
                                                        <path fill="url(#pattern0)" d="M0 0h52v52H0z"></path>
                                                    </g>
                                                    <defs>
                                                        <pattern id="pattern0" width="1" height="1"
                                                            patternContentUnits="objectBoundingBox">
                                                            <use transform="scale(.00216)" xlink:href="#image0"></use>
                                                        </pattern>
                                                        <image id="image0" width="463" height="463"
                                                            xlink:href="">
                                                        </image>
                                                    </defs>
                                                </svg></div>
                                        </div>
                                        <div class="SignFlow-account">
                                            <div class="SignFlowInput SignFlow-accountInputContainer"><label
                                                    class="SignFlow-accountInput Input-wrapper"><input type="tel"
                                                        value="" name="username" class="Input"
                                                        placeholder="手机号" /></label>
                                                <div
                                                    class="SignFlowInput-errorMask SignFlowInput-requiredErrorMask SignFlowInput-errorMask--hidden">
                                                </div>
                                            </div>
                                        </div>
                                        <div class="SignFlow SignFlow-smsInputContainer">
                                            <div class="SignFlowInput SignFlow-smsInput"><label
                                                    class="Input-wrapper"><input type="number" value="" name="digits"
                                                        class="Input" placeholder="输入 6 位短信验证码" /></label>
                                                <div
                                                    class="SignFlowInput-errorMask SignFlowInput-requiredErrorMask SignFlowInput-errorMask--hidden">
                                                </div>
                                            </div><button type="button"
                                                class="Button CountingDownButton SignFlow-smsInputButton Button--plain">获取短信验证码</button>
                                        </div>
                                        <div class="Login-options"><button type="button"
                                                class="Button Login-switchType Button--plain"></button><button
                                                type="button"
                                                class="Button Login-cannotLogin Button--plain">接收语音验证码</button></div>
                                        <button type="submit"
                                            class="Button SignFlow-submitButton Button--primary Button--blue">注册/
                                            <!-- -->登录
                                        </button>
                                        <div class="SignContainer-tip">
                                            <div>
                                                <div>未注册手机验证后自动登录，注册即代表同意<a
                                                        href="https://www.zhihu.com/term/zhihu-terms">《知乎协议》</a><a
                                                        href="https://www.zhihu.com/term/privacy">《隐私保护指引》</a></div>
                                            </div>
                                        </div>
                                    </form>
                                    <div class="SignFlowQRImage SignFlowQRImage--isHidden">
                                        <div></div>
                                    </div>
                                </div>
                            </div>
                            <style data-emotion-css="1hmxk26">
                                .css-1hmxk26 {
                                    box-sizing: border-box;
                                    margin: 0;
                                    min-width: 0;
                                    border-top: 1px solid;
                                    border-color: #EBEBEB;
                                    margin-left: 24px;
                                    margin-right: 24px;
                                }
                            </style>
                            <div class="css-1hmxk26"></div>
                            <div class="Login-socialLogin"><span>社交帐号登录</span><span
                                    class="Login-socialButtonGroup"><button type="button"
                                        class="Button Login-socialButton Button--plain"><svg
                                            class="Zi Zi--WeChat Login-socialIcon" fill="#60c84d" viewBox="0 0 24 24"
                                            width="20" height="20">
                                            <path
                                                d="M2.224 21.667s4.24-1.825 4.788-2.056C15.029 23.141 22 17.714 22 11.898 22 6.984 17.523 3 12 3S2 6.984 2 11.898c0 1.86.64 3.585 1.737 5.013-.274.833-1.513 4.756-1.513 4.756zm5.943-9.707c.69 0 1.25-.569 1.25-1.271a1.26 1.26 0 0 0-1.25-1.271c-.69 0-1.25.569-1.25 1.27 0 .703.56 1.272 1.25 1.272zm7.583 0c.69 0 1.25-.569 1.25-1.271a1.26 1.26 0 0 0-1.25-1.271c-.69 0-1.25.569-1.25 1.27 0 .703.56 1.272 1.25 1.272z"
                                                fill-rule="evenodd"></path>
                                        </svg>微信</button><button type="button"
                                        class="Button Login-socialButton Button--plain"><svg
                                            class="Zi Zi--QQ Login-socialIcon" fill="#50c8fd" viewBox="0 0 24 24"
                                            width="20" height="20">
                                            <path
                                                d="M12.003 2c-2.265 0-6.29 1.364-6.29 7.325v1.195S3.55 14.96 3.55 17.474c0 .665.17 1.025.281 1.025.114 0 .902-.484 1.748-2.072 0 0-.18 2.197 1.904 3.967 0 0-1.77.495-1.77 1.182 0 .686 4.078.43 6.29 0 2.239.425 6.287.687 6.287 0 0-.688-1.768-1.182-1.768-1.182 2.085-1.77 1.905-3.967 1.905-3.967.845 1.588 1.634 2.072 1.746 2.072.111 0 .283-.36.283-1.025 0-2.514-2.166-6.954-2.166-6.954V9.325C18.29 3.364 14.268 2 12.003 2z"
                                                fill-rule="evenodd"></path>
                                        </svg>QQ</button><button type="button"
                                        class="Button Login-socialButton Button--plain"><svg
                                            class="Zi Zi--Weibo Login-socialIcon" fill="#fb6622" viewBox="0 0 24 24"
                                            width="20" height="20">
                                            <path fill="#FB6622"
                                                d="M15.518 3.06c8.834-.854 7.395 7.732 7.394 7.731-.625 1.439-1.673.309-1.673.309.596-7.519-5.692-6.329-5.692-6.329-.898-1.067-.029-1.711-.029-1.711zm4.131 6.985c-.661 1.01-1.377.126-1.376.126.205-3.179-2.396-2.598-2.396-2.598-.719-.765-.091-1.346-.091-1.346 4.882-.551 3.863 3.818 3.863 3.818zM5.317 7.519s4.615-3.86 6.443-1.328c0 0 .662 1.08-.111 2.797.003-.003 3.723-1.96 5.408.159 0 0 .848 1.095-.191 2.649 0 0 2.918-.099 2.918 2.715 0 2.811-4.104 6.44-9.315 6.44-5.214 0-8.026-2.092-8.596-3.102 0 0-3.475-4.495 3.444-10.33zm10.448 7.792s.232-4.411-5.71-4.207c-6.652.231-6.579 4.654-6.579 4.654.021.39.097 3.713 5.842 3.713 5.98 0 6.447-4.16 6.447-4.16zm-9.882.86s-.059-3.632 3.804-3.561c3.412.06 3.206 3.165 3.206 3.165s-.026 2.979-3.684 2.979c-3.288 0-3.326-2.583-3.326-2.583zm2.528 1.037c.672 0 1.212-.447 1.212-.998 0-.551-.543-.998-1.212-.998-.672 0-1.215.447-1.215.998 0 .551.546.998 1.215.998z"
                                                fill-rule="evenodd"></path>
                                        </svg>微博</button></span></div>
                            <style data-emotion-css="1k01q48">
                                .css-1k01q48 {
                                    box-sizing: border-box;
                                    margin: 0;
                                    min-width: 0;
                                    padding-left: 24px;
                                    padding-right: 24px;
                                    color: #0066FF;
                                    width: 400px;
                                    height: 60px;
                                    -webkit-align-items: center;
                                    -webkit-box-align: center;
                                    -ms-flex-align: center;
                                    align-items: center;
                                    background-color: #F6F6F6;
                                    display: -webkit-box;
                                    display: -webkit-flex;
                                    display: -ms-flexbox;
                                    display: flex;
                                }
                            </style>
                            <div class="css-1k01q48">
                                <style data-emotion-css="1pysja1">
                                    .css-1pysja1 {
                                        box-sizing: border-box;
                                        margin: 0;
                                        min-width: 0;
                                        -webkit-flex: 1;
                                        -ms-flex: 1;
                                        flex: 1;
                                    }
                                </style>
                                <div class="css-1pysja1">
                                    <style data-emotion-css="jzr1wa">
                                        .css-jzr1wa {
                                            box-sizing: border-box;
                                            margin: 0;
                                            min-width: 0;
                                            color: #175199;
                                            color: inherit;
                                        }
                                    </style><a href="/org/signup" data-za-detail-view-id="4943" class="css-jzr1wa">
                                        <style data-emotion-css="vfpo4o">
                                            .css-vfpo4o {
                                                margin-right: .5em;
                                            }
                                        </style><span style="display:inline-flex;align-items:center">​<svg
                                                class="Zi Zi--BadgeCert css-vfpo4o" fill="currentColor"
                                                viewBox="0 0 24 24" width="26" height="26">
                                                <g fill="none" fill-rule="evenodd">
                                                    <path fill="#0F88EB"
                                                        d="M2.64 13.39c1.068.895 1.808 2.733 1.66 4.113l.022-.196c-.147 1.384.856 2.4 2.24 2.278l-.198.016c1.387-.122 3.21.655 4.083 1.734l-.125-.154c.876 1.084 2.304 1.092 3.195.027l-.127.152c.895-1.068 2.733-1.808 4.113-1.66l-.198-.022c1.386.147 2.402-.856 2.279-2.238l.017.197c-.122-1.388.655-3.212 1.734-4.084l-.154.125c1.083-.876 1.092-2.304.027-3.195l.152.127c-1.068-.895-1.808-2.732-1.66-4.113l-.022.198c.147-1.386-.856-2.4-2.24-2.279l.198-.017c-1.387.123-3.21-.654-4.083-1.733l.125.153c-.876-1.083-2.304-1.092-3.195-.027l.127-.152c-.895 1.068-2.733 1.808-4.113 1.662l.198.02c-1.386-.147-2.4.857-2.279 2.24L4.4 6.363c.122 1.387-.655 3.21-1.734 4.084l.154-.126c-1.083.878-1.092 2.304-.027 3.195l-.152-.127z">
                                                    </path>
                                                    <path fill="#FFF"
                                                        d="M9.78 15.728l-2.633-2.999s-.458-.705.242-1.362c.7-.657 1.328-.219 1.328-.219l1.953 2.132 4.696-4.931s.663-.348 1.299.198c.636.545.27 1.382.27 1.382s-3.466 3.858-5.376 5.782c-.98.93-1.778.017-1.778.017z">
                                                    </path>
                                                </g>
                                            </svg></span>开通机构号
                                    </a>
                                </div>
                                <style data-emotion-css="lbryw4">
                                    .css-lbryw4 {
                                        box-sizing: border-box;
                                        margin: 0;
                                        min-width: 0;
                                        height: 20px;
                                        width: 1px;
                                        background-color: #EBEBEB;
                                    }
                                </style>
                                <div class="css-lbryw4"></div>
                                <style data-emotion-css="eow14e">
                                    .css-eow14e {
                                        box-sizing: border-box;
                                        margin: 0;
                                        min-width: 0;
                                        -webkit-flex: 1;
                                        -ms-flex: 1;
                                        flex: 1;
                                        text-align: right;
                                    }
                                </style>
                                <div class="css-eow14e">
                                    <style data-emotion-css="hrpw2l">
                                        .css-hrpw2l {
                                            box-sizing: border-box;
                                            margin: 0;
                                            min-width: 0;
                                            -webkit-appearance: none;
                                            -moz-appearance: none;
                                            appearance: none;
                                            display: inline-block;
                                            text-align: center;
                                            line-height: inherit;
                                            -webkit-text-decoration: none;
                                            text-decoration: none;
                                            font-size: inherit;
                                            padding-left: 16px;
                                            padding-right: 16px;
                                            padding-top: 8px;
                                            padding-bottom: 8px;
                                            color: white;
                                            background-color: #0066FF;
                                            border: 0;
                                            border-radius: 4px;
                                            font-size: 16px;
                                            font-weight: 600;
                                            color: #FFFFFF;
                                            background-color: #0066FF;
                                            border-radius: 4px;
                                            background-color: unset;
                                            color: inherit;
                                            font-size: inherit;
                                            font-weight: inherit;
                                            padding: 0;
                                        }
                                    </style><button class="css-hrpw2l"><span
                                            style="display:inline-flex;align-items:center">​<svg width="20" height="20"
                                                viewBox="0 0 20 20" class="css-vfpo4o" fill="none">
                                                <path fill="url(#paint0_linear)"
                                                    d="M16.131 0H3.87A3.869 3.869 0 000 3.869V16.13A3.869 3.869 0 003.869 20H16.13A3.869 3.869 0 0020 16.131V3.87A3.869 3.869 0 0016.131 0z">
                                                </path>
                                                <path fill="#fff"
                                                    d="M14.9 10.046V7.391l2.67-.137.232-.015c.147-.26.214-.559.192-.857-.02-.071-.059-.19-.178-.163a9.048 9.048 0 01-1.204.207c-.777.092-1.119.116-2.196.193-1.893.14-3.56.205-3.56.205a.722.722 0 00.75.724c.642-.027 1.582-.071 2.531-.119v2.617h-3.616a.753.753 0 00.753.754h2.843v2.008c0 .255-.13.341-.345.347h-1.1a1.187 1.187 0 00.632.742c.244.081.503.109.76.08.385-.02.836-.237.836-1.014V10.8h3.175a.362.362 0 00.361-.362v-.392H14.9z">
                                                </path>
                                                <path fill="#fff"
                                                    d="M12.414 8.251a.65.65 0 00-.908-.148l-.107.077 1.187 1.662.635-.457-.807-1.134zm4.147-.057l-.89 1.166.647.472 1.273-1.685-.107-.077a.653.653 0 00-.923.124zM9.737 7.031H6.263v6.065h.858l.112.732 1.154-.732h1.356L9.737 7.03zm-1.465 5.311l-.674.415-.065-.427h-.487V7.785h1.908v4.557h-.682zM5.637 9.761H4.379V7.785h1.436v-.368a.386.386 0 00-.383-.385h-2.24a115.436 115.436 0 01.347-1.018 1.187 1.187 0 00-.68.199.908.908 0 00-.385.551c-.151.416-.296.813-.368 1.05-.136.38-.466 1.048-.466 1.048.248-.002.493-.06.716-.169a1.205 1.205 0 00.575-.822c0-.027 0-.053.024-.086h.65V9.35c0 .142 0 .279-.018.412H2.433a.754.754 0 00-.754.754h1.837a4.955 4.955 0 01-.226 1.035 4.746 4.746 0 01-.845 1.484 9.363 9.363 0 01-.89.845 1.56 1.56 0 001.527-.27 4.21 4.21 0 00.908-1.623c.152-.483.258-.98.318-1.483h1.685v-.38a.362.362 0 00-.356-.362z">
                                                </path>
                                                <path fill="#fff"
                                                    d="M4.747 11.318l-.658.425 1.418 2.118a1.96 1.96 0 00.19-.629.908.908 0 00-.08-.617l-.87-1.297z">
                                                </path>
                                                <defs>
                                                    <linearGradient id="paint0_linear" x1="-6.708" x2="25.504"
                                                        y1="29.91" y2="-8.476" gradientUnits="userSpaceOnUse">
                                                        <stop offset=".42" stop-color="#06F"></stop>
                                                        <stop offset=".92" stop-color="#00C4FF"></stop>
                                                    </linearGradient>
                                                </defs>
                                            </svg></span>下载知乎 App</button>
                                </div>
                            </div>
                        </div>
                    </div>
                    <footer class="SignFlowHomepage-footer">
                        <div class="ZhihuLinks"><a target="_blank" rel="noopener noreferrer"
                                href="https://zhuanlan.zhihu.com">知乎专栏</a><a target="_blank" rel="noopener noreferrer"
                                href="/roundtable">圆桌</a><a target="_blank" rel="noopener noreferrer"
                                href="/explore">发现</a><a target="_blank" rel="noopener noreferrer"
                                href="/app">移动应用</a><a target="_blank" rel="noopener noreferrer"
                                href="/contact">联系我们</a><a target="_blank" rel="noopener noreferrer"
                                href="https://app.mokahr.com/apply/zhihu">来知乎工作</a><a target="_blank"
                                rel="noopener noreferrer" href="/org/signup">注册机构号</a><a target="_blank"
                                rel="noopener noreferrer" href="//ir.zhihu.com">Investor Relations</a></div>
                        <div class="ZhihuRights"><span>©
                                <!-- -->2021
                                <!-- --> 知乎
                            </span><a target="_blank" rel="noopener noreferrer" href="https://tsm.miit.gov.cn/dxxzsp/">京
                                ICP 证 110745 号</a><a target="_blank" rel="noopener noreferrer"
                                href="https://beian.miit.gov.cn/">京 ICP 备 13052560 号 - 1</a><a target="_blank"
                                rel="noopener noreferrer"
                                href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=11010802020088"><img
                                    src="https://pic3.zhimg.com/80/v2-d0289dc0a46fc5b15b3363ffa78cf6c7.png" />京公网安备
                                11010802020088 号</a><a
                                href="https://zhstatic.zhihu.com/assets/zhihu/publish-license.jpg" target="_blank"
                                rel="noopener noreferrer">出版物经营许可证</a><span>互联网药品信息服务资格证书（京）- 非经营性 - 2017 - 0067</span>
                        </div>
                        <div class="ZhihuReports"><a target="_blank" rel="noopener noreferrer"
                                href="https://zhuanlan.zhihu.com/p/28852607">侵权举报</a><a target="_blank"
                                rel="noopener noreferrer" href="http://www.12377.cn">网上有害信息举报专区</a><a target="_blank"
                                rel="noopener noreferrer"
                                href="/term/child-jubao">儿童色情信息举报专区</a><span>违法和不良信息举报：010-82716601</span></div>
                    </footer>
                </div>
            </main>
            <div data-zop-usertoken="{}"></div>
        </div>
    </div>
    <script id="js-clientConfig"
        type="text/json">{"host":"zhihu.com","protocol":"https:","wwwHost":"www.zhihu.com","videoHost":"video.zhihu.com","fetchRoot":{"www":"https:\u002F\u002Fwww.zhihu.com","api":"https:\u002F\u002Fapi.zhihu.com","lens":"https:\u002F\u002Flens.zhihu.com","zhuanlan":"https:\u002F\u002Fzhuanlan.zhihu.com","walletpay":"https:\u002F\u002Fwalletpay.zhihu.com","captcha":"https:\u002F\u002Fcaptcha.zhihu.com"}}</script>
    <script id="js-initialData"
        type="text/json">{"initialState":{"common":{"ask":{}},"loading":{"global":{"count":0},"local":{}},"club":{"tags":{},"admins":{"data":[]},"members":{"data":[]},"explore":{"candidateSyncClubs":{}},"profile":{},"checkin":{},"comments":{"paging":{},"loading":{},"meta":{},"ids":{}},"postList":{"paging":{},"loading":{},"ids":{}},"recommend":{"data":[]},"silences":{"data":[]},"application":{"profile":null}},"entities":{"users":{},"questions":{},"answers":{},"articles":{},"columns":{},"topics":{},"roundtables":{},"favlists":{},"comments":{},"notifications":{},"ebooks":{},"activities":{},"feeds":{},"pins":{},"promotions":{},"drafts":{},"chats":{},"posts":{},"clubs":{},"clubTags":{},"zvideos":{},"zvideoContributions":{}},"currentUser":"","account":{"lockLevel":{},"unlockTicketStatus":false,"unlockTicket":null,"challenge":[],"errorStatus":false,"message":"","isFetching":false,"accountInfo":{},"urlToken":{"loading":false},"cardUserInfo":{"vipInfo":{}},"widgetList":[]},"settings":{"socialBind":null,"inboxMsg":null,"notification":{},"email":{},"privacyFlag":null,"blockedUsers":{"isFetching":false,"paging":{"pageNo":1,"pageSize":6},"data":[]},"blockedFollowees":{"isFetching":false,"paging":{"pageNo":1,"pageSize":6},"data":[]},"ignoredTopics":{"isFetching":false,"paging":{"pageNo":1,"pageSize":6},"data":[]},"restrictedTopics":null,"laboratory":{}},"notification":{},"people":{"profileStatus":{},"activitiesByUser":{},"answersByUser":{},"answersSortByVotesByUser":{},"answersIncludedByUser":{},"votedAnswersByUser":{},"thankedAnswersByUser":{},"voteAnswersByUser":{},"thankAnswersByUser":{},"topicAnswersByUser":{},"zvideosByUser":{},"articlesByUser":{},"articlesSortByVotesByUser":{},"articlesIncludedByUser":{},"pinsByUser":{},"questionsByUser":{},"commercialQuestionsByUser":{},"favlistsByUser":{},"followingByUser":{},"followersByUser":{},"mutualsByUser":{},"followingColumnsByUser":{},"followingQuestionsByUser":{},"followingFavlistsByUser":{},"followingTopicsByUser":{},"publicationsByUser":{},"columnsByUser":{},"allFavlistsByUser":{},"brands":null,"creationsByUser":{},"creationsSortByVotesByUser":{},"creationsFeed":{},"infinity":{},"batchUsers":{}},"env":{"ab":{"config":{"experiments":[{"expId":"launch-qa_cl_guest-2","expPrefix":"qa_cl_guest","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-se_item-3","expPrefix":"se_item","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-vd_andplay_d-2","expPrefix":"vd_andplay_d","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-vd_hookupplay_an-2","expPrefix":"vd_hookupplay_an","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-vd_timeguide-2","expPrefix":"vd_timeguide","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-vd_video_replay-3","expPrefix":"vd_video_replay","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-vd_zvideo_link-10","expPrefix":"vd_zvideo_link","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false},{"expId":"launch-zanswer-2","expPrefix":"zanswer","isDynamicallyUpdated":false,"isRuntime":false,"includeTriggerInfo":false},{"expId":"vd_vserial-7","expPrefix":"vd_vserial","isDynamicallyUpdated":true,"isRuntime":false,"includeTriggerInfo":false}],"params":[{"id":"gue_bullet_second","type":"String","value":"1","layerId":"guevd_layer_1"},{"id":"gue_andplayd","type":"String","value":"1","layerId":"guevd_layer_686"},{"id":"gue_sharp","type":"String","value":"1","layerId":"guevd_layer_686"},{"id":"pc_editorplugin","type":"Int","value":"0","layerId":"pc_editorplugin"},{"id":"hw_aa_50","type":"Int","value":"0","chainId":"_gene_","layerId":"hw_aa_50","key":362},{"id":"se_images","type":"Int","value":"0","chainId":"_gene_","layerId":"ulTc","key":652},{"id":"ge_rec_2th","type":"String","value":"11","chainId":"_gene_","layerId":"geli_layer_965","key":3023},{"id":"pf_noti_entry_num","type":"String","value":"0","chainId":"_all_","layerId":"pfus_layer_718"},{"id":"gue_recmess","type":"String","value":"0","layerId":"gueqa_layer_795"},{"id":"web_answer_list_ad","type":"String","value":"1","layerId":"webqa_layer_4"},{"id":"gue_profile_video","type":"String","value":"1","layerId":"guevd_layer_5"},{"id":"gue_vid_tab","type":"String","value":"0","layerId":"guevd_layer_900"},{"id":"correct_cnn","type":"Int","value":"0","chainId":"_gene_","layerId":"correct_cnn","key":397},{"id":"se_entity","type":"Int","value":"0","chainId":"_gene_","layerId":"se_entity","key":852},{"id":"zanswer","type":"Int","value":"1","layerId":"l-zanswer"},{"id":"And_Collection","type":"Int","value":"0","chainId":"_gene_","layerId":"And_Collection","key":848},{"id":"web_sem_ab","type":"String","value":"1","layerId":"webgw_layer_3"},{"id":"web_collection_guest","type":"String","value":"1","layerId":"webqa_layer_4"},{"id":"creator_hot_rec","type":"Int","value":"1","layerId":"ju92"},{"id":"se_cvr_boost","type":"Int","value":"0","chainId":"_gene_","layerId":"se_cvr_boost","key":183},{"id":"gue_repost","type":"String","value":"1","layerId":"gueqa_layer_671"},{"id":"Full_ans_fav","type":"Int","value":"0","chainId":"_gene_","layerId":"Pnd6","key":372},{"id":"click_new_tb","type":"Int","value":"0","chainId":"_gene_","layerId":"1vYQ","key":422},{"id":"se_zp_five","type":"Int","value":"0","chainId":"_gene_","layerId":"se_zp_five","key":344},{"id":"se_feat","type":"Int","value":"0","chainId":"_gene_","layerId":"se_feat","key":837},{"id":"web_heifetz_grow_ad","type":"String","value":"1","layerId":"webgw_layer_3"},{"id":"web_scl_rec","type":"String","value":"0","layerId":"webgw_layer_759"},{"id":"gue_art2qa","type":"String","value":"0","layerId":"gueqa_layer_579"},{"id":"gue_fo_recom","type":"String","value":"0","layerId":"gueqa_layer_780"},{"id":"editor","type":"Int","value":"0","layerId":"editor"},{"id":"edu_cd1","type":"Int","value":"0","layerId":"l-l18Y"},{"id":"web_column_auto_invite","type":"String","value":"0","layerId":"webqa_layer_1"},{"id":"pf_adjust","type":"String","value":"0","chainId":"_all_","layerId":"pfus_layer_9"},{"id":"tp_zrec","type":"String","value":"0","chainId":"_all_","layerId":"tptp_layer_619"},{"id":"ge_newcard","type":"String","value":"3","chainId":"_gene_","layerId":"geus_layer_839","key":2997},{"id":"gue_iosplay","type":"String","value":"0","layerId":"guevd_layer_810"},{"id":"io_video_tab","type":"Int","value":"0","chainId":"_gene_","layerId":"io_video_tab","key":728},{"id":"zr_expslotpaid","type":"String","value":"1","chainId":"_all_","layerId":"zrrec_layer_11"},{"id":"gue_card_test","type":"String","value":"1","layerId":"gueqa_layer_2"},{"id":"zr_slotpaidexp","type":"String","value":"1","chainId":"_all_","layerId":"zrrec_layer_5"},{"id":"tp_contents","type":"String","value":"2","chainId":"_all_","layerId":"tptp_layer_627"},{"id":"gue_bulletmb","type":"String","value":"0","layerId":"guevd_layer_812"},{"id":"se_4a","type":"Int","value":"0","chainId":"_gene_","layerId":"rtiq","key":335},{"id":"iosserial","type":"Int","value":"0","chainId":"_gene_","layerId":"m7Id","key":714},{"id":"comment","type":"Int","value":"0","chainId":"_gene_","layerId":"comment","key":644},{"id":"gue_playh_an","type":"String","value":"1","layerId":"guevd_layer_622"},{"id":"h5_signin","type":"Int","value":"0","layerId":"h5_signin"},{"id":"km_detail_knn","type":"Int","value":"0","layerId":"l-TY59"},{"id":"plus_panel","type":"Int","value":"0","chainId":"_gene_","layerId":"plus_panel","key":818},{"id":"ge_video","type":"String","value":"0","chainId":"_gene_","layerId":"geli_layer_856","key":2831},{"id":"qap_question_visitor","type":"String","value":" 0","chainId":"_all_","layerId":"qapqa_layer_2"},{"id":"ge_sxzx","type":"String","value":"0","chainId":"_gene_","layerId":"gere_layer_990","key":3060},{"id":"se_ffzx_jushen1","type":"String","value":"0","chainId":"_all_","layerId":"sese_layer_4"},{"id":"xuanpinab","type":"Int","value":"0","layerId":"xuanpinab"},{"id":"webpImg","type":"Int","value":"1","layerId":"JnVt"},{"id":"se_cp_post3","type":"Int","value":"0","chainId":"_gene_","layerId":"VZLx","key":706},{"id":"ge_meta_ss","type":"String","value":"0","chainId":"_gene_","layerId":"gese_layer_834","key":3079},{"id":"account_sdk","type":"Int","value":"1","chainId":"_gene_","layerId":"account_sdk","key":810},{"id":"gue_messrec","type":"String","value":"0","layerId":"gueqa_layer_769"},{"id":"ge_usercard1","type":"String","value":"0","chainId":"_gene_","layerId":"gese_layer_742","key":2740},{"id":"tp_dingyue_video","type":"String","value":"0","chainId":"_all_","layerId":"tptp_layer_4"},{"id":"vdox_cmt","type":"Int","value":"0","layerId":"l-9YBb"},{"id":"se_warmup","type":"Int","value":"0","chainId":"_gene_","layerId":"zVTj","key":729},{"id":"se_zhiplus_cpc","type":"Int","value":"0","chainId":"_gene_","layerId":"se_zhiplus_cpc","key":716},{"id":"gue_goods_card","type":"String","value":"0","layerId":"gueqa_layer_1"},{"id":"ge_yuzhi_v1","type":"String","value":"1","chainId":"_gene_","layerId":"gese_layer_1029","key":3127},{"id":"meta_ebook","type":"Int","value":"0","layerId":"meta_ebook"},{"id":"ffzix_xgdzwz","type":"Int","value":"0","layerId":"ffzix_xgdzwz"},{"id":"Re_Collection","type":"Int","value":"0","chainId":"_gene_","layerId":"Re_Collection","key":847},{"id":"ge_infinity6","type":"String","value":"0","chainId":"_gene_","layerId":"gese_layer_815","key":2817},{"id":"se_dwd_all","type":"Int","value":"0","chainId":"_gene_","layerId":"se_dwd_all","key":621},{"id":"book_kpwz","type":"Int","value":"0","chainId":"_gene_","layerId":"Zyox","key":671},{"id":"se_cp_question","type":"Int","value":"0","chainId":"_gene_","layerId":"6w98","key":704},{"id":"ge_hard_s_ma","type":"String","value":"0","chainId":"_gene_","layerId":"geli_layer_856","key":3031},{"id":"hwtj_bottom_btn","type":"Int","value":"1","layerId":"l-jrhg"},{"id":"ts_refresh","type":"Int","value":"1","layerId":"EBn6"},{"id":"an_video_tab","type":"Int","value":"0","chainId":"_gene_","layerId":"an_video_tab","key":727},{"id":"show_ad","type":"Int","value":"0","chainId":"_gene_","layerId":"show_ad","key":27},{"id":"rec_3th","type":"Int","value":"11","chainId":"_gene_","layerId":"pRqt","key":697},{"id":"tp_topic_style","type":"String","value":"0","chainId":"_all_","layerId":"tptp_layer_4"},{"id":"ge_prf_rec","type":"String","value":"0","chainId":"_gene_","layerId":"getop_layer_991","key":3040},{"id":"ge_newyanzhi","type":"String","value":"0","chainId":"_gene_","layerId":"geus_layer_1019","key":2788},{"id":"gue_video_replay","type":"String","value":"2","layerId":"guevd_layer_3"},{"id":"gue_v_serial","type":"String","value":"4","layerId":"guevd_layer_695"},{"id":"haojiakp","type":"Int","value":"0","layerId":"haojiakp"},{"id":"se_cp_answer","type":"Int","value":"0","chainId":"_gene_","layerId":"WpRW","key":705},{"id":"ad_com_zhi","type":"Int","value":"0","chainId":"_gene_","layerId":"ad_com_zhi","key":571},{"id":"gue_cdzixun","type":"String","value":"0","layerId":"gueqa_layer_3"},{"id":"web_answerlist_ad","type":"String","value":"0","layerId":"webqa_layer_1"},{"id":"gue_video_guide","type":"String","value":"1","layerId":"guevd_layer_625"},{"id":"xuanpinceshi","type":"Int","value":"0","layerId":"xuanpinceshi"},{"id":"club_fn","type":"Int","value":"1","layerId":"club_fn"},{"id":"se_filter","type":"Int","value":"0","chainId":"_gene_","layerId":"2NQZ","key":363},{"id":"se_mclick","type":"Int","value":"0","chainId":"_gene_","layerId":"se_mclick","key":822},{"id":"se_lead_expand","type":"Int","value":"0","chainId":"_gene_","layerId":"se_lead_expand","key":868},{"id":"ge_sug_rep","type":"String","value":"1","chainId":"_gene_","layerId":"gese_layer_1034","key":3158},{"id":"ge_relation2","type":"String","value":"1","chainId":"_gene_","layerId":"gese_layer_815","key":2796},{"id":"ge_emoji","type":"String","value":"0","chainId":"_gene_","layerId":"getp_layer_827","key":3209},{"id":"test_rec","type":"Int","value":"10","layerId":"test_rec"},{"id":"hw_aa_30","type":"Int","value":"0","chainId":"_gene_","layerId":"hw_aa_30","key":361},{"id":"andserial","type":"Int","value":"0","chainId":"_gene_","layerId":"CAxI","key":711},{"id":"ge_item","type":"String","value":"2","chainId":"_gene_","layerId":"gese_layer_945","key":2971},{"id":"pfd_newbie2","type":"Int","value":"0","chainId":"_gene_","layerId":"pfd_newbie2","key":71},{"id":"ge_v_rank_v3","type":"Int","value":"0","chainId":"_gene_","layerId":"FPcB","key":581},{"id":"use_bff_profit","type":"Int","value":"0","layerId":"use_bff_profit"},{"id":"ge_newbie3","type":"Int","value":"0","chainId":"_gene_","layerId":"ge_newbie3","key":180},{"id":"se_prank_decay","type":"Int","value":"0","chainId":"_gene_","layerId":"se_prank_decay","key":703},{"id":"anchor_boost","type":"Int","value":"0","chainId":"_gene_","layerId":"anchor_boost","key":871},{"id":"gue_visit_n_artcard","type":"String","value":"1","layerId":"gueqa_layer_579"},{"id":"gue_q_share","type":"String","value":"0","layerId":"gueqa_layer_647"},{"id":"top_test_4_liguangyi","type":"String","value":"1","chainId":"_all_","layerId":"iosus_layer_1"},{"id":"pfd_newbie","type":"Int","value":"0","chainId":"_gene_","layerId":"pfd_newbie","key":63},{"id":"se_personal_ab","type":"Int","value":"0","chainId":"_gene_","layerId":"BJ58","key":554},{"id":"web_login","type":"String","value":"0","layerId":"webgw_layer_759"},{"id":"web_audit_01","type":"String","value":"case1","layerId":"webre_layer_1"},{"id":"ab_new_header","type":"Int","value":"0","chainId":"_gene_","layerId":"ab_new_header","key":857},{"id":"ge_entity","type":"String","value":"0","chainId":"_gene_","layerId":"gese_layer_946","key":3036},{"id":"Test_Punk","type":"Int","value":"0","layerId":"Test_Punk"},{"id":"se_fix_ebook","type":"Int","value":"0","chainId":"_gene_","layerId":"se_fix_ebook","key":103},{"id":"test_3","type":"Int","value":"0","chainId":"_gene_","layerId":"dABe","key":637},{"id":"se_zhiplus_ecpm","type":"Int","value":"0","chainId":"_gene_","layerId":"se_zhiplus_ecpm","key":855},{"id":"qap_question_author","type":"String","value":"0","chainId":"_all_","layerId":"qapqa_layer_2"},{"id":"ge_search_ui","type":"String","value":"1","chainId":"_gene_","layerId":"gese_layer_838","key":2898},{"id":"ge_guess","type":"String","value":"0","chainId":"_gene_","layerId":"gese_layer_938","key":2912},{"id":"ts_cardtitle","type":"Int","value":"0","layerId":"l-ZED7"},{"id":"recnew_2th","type":"Int","value":"24","chainId":"_gene_","layerId":"l-recnew_2th","key":67},{"id":"ts_refresh2","type":"Int","value":"1","layerId":"heWh"},{"id":"rec_new2th","type":"Int","value":"0","chainId":"_gene_","layerId":"Hump","key":320},{"id":"gue_zvideo_link","type":"String","value":"1","layerId":"guevd_layer_2"},{"id":"office_xp","type":"Int","value":"1111","layerId":"office_xp"},{"id":"userlinkv2","type":"Int","value":"0","layerId":"userlinkv2"},{"id":"book_ebook","type":"Int","value":"0","chainId":"_gene_","layerId":"book_ebook","key":758},{"id":"gue_art_ui","type":"String","value":"0","layerId":"gueqa_layer_647"},{"id":"ge_dipin_pre","type":"String","value":"0","chainId":"_gene_","layerId":"gese_layer_1000","key":3124},{"id":"gue_bullet_guide","type":"String","value":"发个弹幕聊聊…","layerId":"guevd_layer_0"},{"id":"se_sug_exp","type":"Int","value":"0","chainId":"_gene_","layerId":"9ZDG","key":522},{"id":"se_mixer_km","type":"Int","value":"0","chainId":"_gene_","layerId":"se_mixer_km","key":649}],"chains":[{"chainId":"_all_"}],"encodedParams":"CogBagGMAs8LjQFUA1ADtwB0AaYBWAFFA7UL2AJPAcoChAIyAw8L9AvCAgcMKgO0CtkCzAI3DE8DAQttAp8CwALXC9cCGwC5AuAL5ArBAjsCawE2A2QDVgzsCokMaQHHApsLRwBFArQAvwJnAz8AKgJZA9wLZwB9AlcDUgtgC0MAQAH2AjQMCgKJAhJEAAALAAAAAAAAAAADAAAAAAAAAAAAAQAAAAEAAAAAAAAAAAsAAAAAAAAAAQEAAAACAAAAAAAAAAAAAAAAAQAYAAAAAAA="},"triggers":{}},"userAgent":{"Edge":false,"IE":false,"Wechat":false,"Weibo":false,"QQ":false,"MQQBrowser":false,"Qzone":false,"Mobile":false,"Android":false,"iOS":false,"isAppleDevice":false,"Zhihu":false,"ZhihuHybrid":false,"isBot":false,"Tablet":false,"UC":false,"Sogou":false,"Qihoo":false,"Baidu":false,"BaiduApp":false,"Safari":false,"GoogleBot":false,"AndroidDaily":false,"iOSDaily":false,"WxMiniProgram":false,"BaiduMiniProgram":false,"QQMiniProgram":false,"JDMiniProgram":false,"isWebView":false,"isMiniProgram":false,"origin":""},"appViewConfig":{},"ctx":{"path":"\u002Fsignin","query":{"next":"\u002Fhot"},"href":"http:\u002F\u002Fwww.zhihu.com\u002Fsignin?next=%2Fhot","host":"www.zhihu.com"},"trafficSource":"production","edition":{"beijing":false,"baidu":false,"sogou":false,"baiduBeijing":false,"sogouBeijing":false,"sogouInput":false,"baiduSearch":false,"googleSearch":false,"miniProgram":false,"xiaomi":false},"theme":"light","enableShortcut":true,"referer":"https:\u002F\u002Fwww.zhihu.com\u002Fhot","xUDId":"","mode":"ssr","conf":{},"xTrafficFreeOrigin":"","ipInfo":{},"logged":false,"vars":{"passThroughHeaders":{}}},"me":{"columnContributions":[]},"label":{"recognizerLists":{}},"ecommerce":{},"comments":{"pagination":{},"collapsed":{},"reverse":{},"reviewing":{},"conversation":{},"parent":{}},"commentsV2":{"stickers":[],"commentWithPicPermission":{},"notificationsComments":{},"pagination":{},"collapsed":{},"reverse":{},"reviewing":{},"conversation":{},"conversationMore":{},"parent":{}},"pushNotifications":{"default":{"isFetching":false,"isDrained":false,"ids":[]},"follow":{"isFetching":false,"isDrained":false,"ids":[]},"vote_thank":{"isFetching":false,"isDrained":false,"ids":[]},"currentTab":"default","notificationsCount":{"default":0,"follow":0,"vote_thank":0}},"messages":{"data":{},"currentTab":"common","messageCount":0},"register":{"registerValidateSucceeded":null,"registerValidateErrors":{},"registerConfirmError":null,"sendDigitsError":null,"registerConfirmSucceeded":null},"login":{"loginUnregisteredError":false,"loginBindWechatError":false,"loginConfirmError":null,"sendDigitsError":null,"needSMSIdentify":false,"validateDigitsError":false,"loginConfirmSucceeded":null,"qrcodeLoginToken":"","qrcodeLoginScanStatus":0,"qrcodeLoginError":null,"qrcodeLoginReturnNewToken":false},"switches":{},"captcha":{"captchaNeeded":false,"captchaValidated":false,"captchaBase64String":null,"captchaValidationMessage":null,"loginCaptchaExpires":false},"sms":{"supportedCountries":[]},"chat":{"chats":{},"inbox":{"recents":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"strangers":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"friends":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"search":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"config":{"newCount":0,"strangerMessageSwitch":false,"strangerMessageUnread":false,"friendCount":0}},"global":{"isChatMqttExisted":false}},"emoticons":{"emoticonGroupList":[],"emoticonGroupDetail":{}},"creator":{"currentCreatorUrlToken":null,"homeData":{"recommendQuestions":[]},"tools":{"question":{"invitationCount":{"questionFolloweeCount":0,"questionTotalCount":0},"goodatTopics":[]},"customPromotion":{"itemLists":{}},"recommend":{"recommendTimes":{}}},"explore":{"academy":{"tabs":[],"article":{}}},"rights":[],"rightsStatus":{},"levelUpperLimit":10,"account":{"growthLevel":{}},"mcn":{},"applyStatus":{},"videoSupport":{},"mcnManage":{},"tasks":{},"recentlyCreated":[],"analysis":{"all":{},"answer":{},"zvideo":{},"article":{},"pin":{},"singleContent":{}},"announcement":{},"school":{"tabs":[],"contents":[],"banner":null,"entities":{}}},"question":{"followers":{},"concernedFollowers":{},"answers":{},"hiddenAnswers":{},"updatedAnswers":{},"collapsedAnswers":{},"notificationAnswers":{},"invitedQuestions":{"total":{"count":null,"isEnd":false,"isLoading":false,"questions":[]},"followees":{"count":null,"isEnd":false,"isLoading":false,"questions":[]}},"laterQuestions":{"count":null,"globalWriteAnimate":false,"isEnd":false,"isLoading":false,"questions":[]},"waitingQuestions":{"recommend":{"isEnd":false,"isLoading":false,"questions":[]},"hot":{"isEnd":false,"isLoading":false,"questions":[]},"newest":{"isEnd":false,"isLoading":false,"questions":[]},"invite":{"isEnd":false,"isLoading":false,"questions":[]}},"invitationCandidates":{},"inviters":{},"invitees":{},"similarQuestions":{},"questionBanners":{},"relatedCommodities":{},"bio":{},"brand":{},"permission":{},"adverts":{},"advancedStyle":{},"commonAnswerCount":0,"hiddenAnswerCount":0,"meta":{},"bluestarRanklist":{},"relatedSearch":{},"autoInvitation":{},"simpleConcernedFollowers":{},"draftStatus":{},"disclaimers":{},"isShowMobileSignInModal":false},"shareTexts":{},"answers":{"voters":{},"copyrightApplicants":{},"favlists":{},"newAnswer":{},"concernedUpvoters":{},"simpleConcernedUpvoters":{},"paidContent":{},"settings":{}},"banner":{},"topic":{"bios":{},"hot":{},"newest":{},"top":{},"unanswered":{},"questions":{},"followers":{},"contributors":{},"parent":{},"children":{},"bestAnswerers":{},"wikiMeta":{},"index":{},"intro":{},"meta":{},"schema":{},"creatorWall":{},"wikiEditInfo":{},"committedWiki":{},"landingBasicData":{},"landingExcellentItems":[],"landingExcellentEditors":[],"landingCatalog":[],"landingEntries":{}},"explore":{"recommendations":{},"specials":{"entities":{},"order":[]},"roundtables":{"entities":{},"order":[]},"collections":{},"columns":{}},"articles":{"voters":{},"concernedUpvoters":{}},"favlists":{"relations":{}},"pins":{"reviewing":{}},"topstory":{"recommend":{"isFetching":false,"isDrained":false,"afterId":0,"items":[],"next":null},"follow":{"isFetching":false,"isDrained":false,"afterId":0,"items":[],"next":null},"room":{"meta":{},"isFetching":false,"afterId":0,"items":[],"next":null},"followWonderful":{"isFetching":false,"isDrained":false,"afterId":0,"items":[],"next":null},"sidebar":null,"announcement":{},"hotListCategories":[],"hotList":[],"guestFeeds":{"isFetching":false,"isDrained":false,"afterId":0,"items":[],"next":null},"followExtra":{"isNewUser":null,"isFetched":false,"followCount":0,"followers":[]},"hotDaily":{"data":[],"paging":{}},"hotHighlight":{"isFetching":false,"isDrained":false,"data":[],"paging":{}},"banner":{}},"upload":{},"video":{"data":{},"shareVideoDetail":{},"last":{}},"zvideos":{"campaigns":{},"tagoreCategory":[],"recommendations":{},"insertable":{},"recruit":{"form":{"platform":"","nickname":"","followerCount":"","domain":"","contact":""},"submited":false,"ranking":[]},"club":{},"qyActivityData":{},"batchVideos":{},"contribution":{"selectedContribution":null,"configs":{},"contributionLists":{},"recommendQuestions":{"isLoading":true,"paging":{"isEnd":false,"isStart":true,"totals":0},"data":[]},"questionSearchResults":{"isLoading":true,"paging":{"isEnd":false,"isStart":true,"totals":0},"data":[]}}},"guide":{"guide":{"isFetching":false,"isShowGuide":false}},"reward":{"answer":{},"article":{},"question":{}},"search":{"recommendSearch":[],"topSearch":{},"searchValue":{},"suggestSearch":{},"attachedInfo":{},"nextOffset":{},"topicReview":{},"calendar":{},"scores":null,"majors":{},"university":{},"generalByQuery":{},"generalByQueryInADay":{},"generalByQueryInAWeek":{},"generalByQueryInThreeMonths":{},"peopleByQuery":{},"clubentityByQuery":{},"clubPostByQuery":{},"topicByQuery":{},"zvideoByQuery":{},"columnByQuery":{},"liveByQuery":{},"albumByQuery":{},"eBookByQuery":{},"kmGeneralByQuery":{}},"publicEditPermission":{},"vessay":{"common":{"draftId":null,"source":{"type":null,"id":null},"autoSave":true,"blockUnload":true,"isCalibratingEditing":false,"editingTrackData":{"editingOutlines":[],"editingVideos":[]},"newAddMaterialData":{},"audioCache":{},"showTimbreRecordPanel":false},"loading":{"isLoading":false,"text":"正在加载中"},"player":{"currentTime":0,"totalTime":0,"playing":false},"library":{"material":{},"materialSearchResult":{},"music":{},"musicLibraryCategories":[],"musicUrls":{}},"track":{"trackData":{"dataVersion":1,"videoTrack":[],"audioTrack":[],"musicTrack":[],"voiceOverData":{}},"previewEditingTrackData":{"editingSubtitleItem":{},"editingVideoItem":{}},"selectedTrackItems":[],"outlineRemoveMaterial":{},"outlineAppliedStyle":{},"timbres":[],"timbreId":"","timbreTests":[],"newRecordBlob":{}}},"readStatus":{},"draftHistory":{"history":{},"drafts":{}},"notifications":{"recent":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"history":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"notificationActors":{"isFetching":false,"isDrained":false,"isPrevDrained":false,"result":[],"next":null,"key":null},"recentNotificationEntry":"all"},"specials":{"entities":{},"all":{"data":[],"paging":{},"isLoading":false}},"collections":{"hot":{"data":[],"paging":{},"isLoading":false},"collectionFeeds":{}},"userProfit":{"permission":{"permissionStatus":{"zhiZixuan":0,"recommend":-1,"task":0,"plugin":0,"infinity":0},"visible":false}},"mcn":{"bindInfo":{},"memberCategoryList":[],"producerList":[],"categoryList":[],"lists":{},"banners":{},"protocolStatus":{"isAgreedNew":true,"isAgreedOld":true},"probationCountdownDays":0},"mcnActivity":{"household":{"products":{},"rankList":{"total":{},"yesterday":{}}}},"brand":{"contentPlugin":{}},"host":{"roundtable":{"subjects":{},"applications":{"total":0},"online":{"total":0},"applies":{},"details":{},"includedResource":{},"hotQuestions":{},"warmupContents":{},"batchInclude":{}},"special":{"applications":{"total":0,"pages":{},"entities":{}},"censorHistory":{},"drafts":{}}},"campaign":{"single":{},"list":{},"videoMakerAcq":{},"vote":{},"cardCollecting":{"message":null,"profile":{"balance":"0","chance":0,"coinNum":0,"gatherClose":false,"isGotMagicCard":false,"isPay":false,"partitionStart":false,"totalDone":0,"withdrawStart":false},"sharePoster":{"share":"","sendCard":"","invite":""},"shareLink":null,"shareIntention":"share","shareKey":null,"shareCardId":null,"inviterInfo":null,"giverInfo":null,"prize":null,"receivedCard":null,"newCoinCount":null,"newCardList":[],"newUserCardCount":1,"taskList":[],"prizeList":null,"cardList":null,"panel":{"showTaskPanel":false,"showRewardPanel":false},"modal":{"showWelcomeModal":false,"showFusionModal":false,"showFusionPromptModal":false,"showShareModal":false,"showBackModal":false}},"zhiboPandian2020":null,"boarding":{},"searchGaokaoSubPage":{}},"knowledgePlan":{"lists":{},"allCreationRankList":{},"featuredQuestions":{}},"wallE":{"protectHistory":{"total":0,"pages":{},"entities":{}}},"roundtables":{"hotQuestions":{},"warmupContents":{},"hotDiscussions":{},"selectedContents":{},"roundtables":{}},"helpCenter":{"entities":{"question":{},"category":{}},"categories":[],"commonQuestions":[],"relatedQuestions":{}},"republish":{},"commercialReport":{"commercialTypes":[]},"creatorMCN":{"mcn":{},"mcnStatistics":{},"isNoAuth":false,"creatorManageData":[],"creatorManageDataTotal":1,"mcnDomains":[]},"commentManage":{"commentList":{"ids":[],"entities":{},"nextOffset":0,"urlToken":""},"subCommentList":{"ids":[],"entities":{},"paging":{"next":"","isEnd":false}}},"zhiPlus":{"permissionStatus":9999}},"subAppName":"main"}</script>
    <script crossorigin="" src="https://static.zhihu.com/heifetz/vendor.bfefaa5cfee5584ea98c.js"></script>
    <script crossorigin="" src="https://static.zhihu.com/heifetz/main.app.aa7193d00d3ec00605fa.js"></script>
    <script crossorigin="" src="https://static.zhihu.com/heifetz/main.sign-page.9e8e2d43c55abd466411.js"></script>
</body>
<script src="https://hm.baidu.com/hm.js?98beee57fd2ef70ccdd5ca52b9740c49" async=""></script>

</html>